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| Content Provider | frontiers |
|---|---|
| Author | Chong, Clara Yieh Lin Vatanen, Tommi Alexander, Tanith Bloomfield, Frank H. O’Sullivan, Justin M. |
| Abstract | The gut microbiota of preterm infants is affected by perinatal factors and, in turn, may impact upon infant health. In this study, we collected faecal samples at Day-10 (D10) and 4-months corrected-age (4M) from 227 moderate-late preterm (MLPT) babies enrolled in a randomised controlled trial of nutritional management. A total of 320 samples underwent 16S amplicon sequencing and shotgun metagenomic sequencing was performed on 94 samples from the 4M time point. The microbiome of babies whose families lived in lower socioeconomic status (SES) areas exhibited a significantly higher microbial alpha diversity at D10 (p = 0.021), greater abundance of Bifidobacterium (q-value = 0.020) at D10 and Megasphaera (q-value = 0.031) at 4M. Hospital of birth explained 5.2% of the observed variance in 4M samples (p = 0.038), with Staphylococcus aureus more abundant in faecal samples from babies born in Middlemore hospital (q-value = 0.016). Maternal antibiotic (p = 0.013) and probiotic (p = 0.04) usage within the four-week period before sample collection was associated with a reduction in the alpha diversity of D10 samples. Infant probiotic intake explained 2.1% (p = 0.021) of the variance in the D10 microbial profile with increased Lactobacillus (q-value = 1.1x10-10) levels. At 4M, the microbiome of infants who were breastmilk fed had reduced alpha diversity when compared to non-breastmilk fed infants (p < 0.05). Although causality cannot be inferred within our study, we conclude that in MLPT babies, maternal socioeconomic factors, as well as the perinatal medical environment and nutrition impact on the development of the newborn microbiome. |
| ISSN | 22352988 |
| DOI | 10.3389/fcimb.2021.595323 |
| Volume Number | 11 |
| Journal | Frontiers in Cellular and Infection Microbiology |
| Language | English |
| Publisher Date | 2021-03-01 |
| Access Restriction | Open |
| Subject Keyword | Socioeconomic status Early-life nutrition Gut microbiome Moderate-late preterm infant Ethnicity |
| Content Type | Text |
| Resource Type | Article |
| Subject | Infectious Diseases Immunology Microbiology Microbiology (medical) |
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